/* Helper Methods below: */
private void PrepareCarsForViewModel(ReportStartupViewModel model)
{
ICollection<Car> cars = _db.Cars.Where(c => c.Active).ToList();
ReportDAL rDB = new ReportDAL(_db);
// User doesn't need to select cars if there is only one available
int? latestOdometerStatus = null;
if (cars.Count == 1)
{
Car selectedCar = cars.FirstOrDefault();
model.SelectedCarRegistrationNumber = selectedCar.RegistrationNumber;
model.SelectedCarId = selectedCar.Id;
latestOdometerStatus = rDB.GetLatestOdometerStatus(selectedCar.Id); ;
}
else
{
latestOdometerStatus = rDB.GetLatestOdometerStatus(cars.ToArray()[0].Id);
model.AvailableCars = new SelectList(cars, "Id", "RegistrationNumber");
}
if (latestOdometerStatus != null)
model.OdometerStart = (int)latestOdometerStatus;
}
public ActionResult Startup(ReportStartupViewModel model)
{
if (ModelState.IsValid)
{
ReportDAL dal = new ReportDAL(_db);
string currUserId = User.Identity.GetUserId(); // Calling GetUserId() within a Lambda-expression causes errors
int? lastOdometerStatus = dal.GetLatestOdometerStatus(model.SelectedCarId);
if ( lastOdometerStatus != null && model.OdometerStart < lastOdometerStatus ) {
ViewBag.OdometerError = String.Format(AppString.ErrorOdometerStart, lastOdometerStatus-1);
PrepareCarsForViewModel(model);
PrepareProjectsForViewModel(model, null);
return View(model);
}
Report report = new Report()
{
Date = DateTime.Now,
OdometerStart = model.OdometerStart,
AssociatedCar = _db.Cars.Single(c => c.Id == model.SelectedCarId),
AssociatedProject = _db.Projects.Single(p => p.Id == model.SelectedProjectId),
AssociatedUser = _db.Users.Single(u => u.Id == currUserId),
FromLocation = model.FromLocation
};
// TODO: Perform checks on the received data to make sure that there isn't any user shenanigans going on. For example if a project id was passed that the user isn't associated with.
_db.Reports.Add(report);
_db.SaveChanges();
return RedirectToAction("Complete", "Report", new { reportStarted = true });
}
return View(model);
}
public JsonResult LastRegisteredOdometerStatus(int carId)
{
ReportDAL dal = new ReportDAL(_db);
int? oStatus = dal.GetLatestOdometerStatus(carId);
if (oStatus != null)
return Json(oStatus.ToString(), JsonRequestBehavior.AllowGet);
else
return Json("", JsonRequestBehavior.AllowGet);
}